Date: Thu, 17 Dec 2009 09:50:23 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Cc: linux-kernel@vger.kernel.org, Peter Zijlstra <a.p.zijlstra@chello.nl>,
       Paul Mackerras <paulus@samba.org>,
       Frederic Weisbecker <fweisbec@gmail.com>
Subject: Re: [PATCH 2/2] perf lock: Fix output of tracing lock events
Message-ID: <20091217085023.GC1901@elte.hu>
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* Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp> wrote:

> This patch adds address of lockdep_map to each lock events.
> perf lock uses these addresses as IDs of lock instances.
> 
> And this removes waittime from output of lock_acquired event.
> The value will be caliculated in userspace based on timestamp.
> 
> Signed-off-by: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
> Cc: Paul Mackerras <paulus@samba.org>
> Cc: Frederic Weisbecker <fweisbec@gmail.com>
> ---
>  include/trace/events/lock.h |   27 ++++++++++++++++++---------
>  kernel/lockdep.c            |    2 +-
>  2 files changed, 19 insertions(+), 10 deletions(-)

Frederic, Peter, do these two patches look good to you? We can apply them to 
make subsequent perf lock work easier.

Thanks,

	Ingo
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